
*{
    margin: 0px;
    padding: 0px;
}
a{
    color: black;
}
div{
    margin-bottom: 15px;
}

.div_head{
    position: absolute;
    right: 200px;
    font-size: 18px;
    top: 18px;
}
.div_body{
    background: white;
    width: 420px;
    height: 460px;
    position: relative;
    right: -950px;
    top: 80px;
}

.div_head_body{
    /*background: url("../img/login_background.jpg") no-repeat cover;*/
    background-image:url("../img/login_background.jpg"); /*添加背景图片*/
    background-repeat: no-repeat;/*设置图片不重复*/
    background-size: cover;/*设置图片平铺*/
    height: 670px;
}
.tail li{
    float: left;
    list-style-type: none;
    margin-left: 50px;
}
.tail{
    margin-left: 150px;
}